Fujitsu fi-4220C Operator's Manual page 62

I I I I Power Save Mode
The Power Save mode keeps the scanner in a low-powered state
after it has been turned ON.
If no operation is performed on the scanner for 15 minutes, the
scanner automatically switches to the Power Save mode.
In the Power Save mode, the indication of the Function No. display
on the operator panel goes out, but the green LED stays lit.
To return from the Power Save mode, perform one of the following:
•
Load the document on the ADF paper chute.
•
Press any button on the operator panel.
However, holding down the power button for will turn the scanner
OFF.
•
Execute a command from the scanner driver.
3.1 Turning the Scanner ON
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